Formula 1 world champion Nico Rosberg's shock retirement means a plum seat on the 2017 grid has now opened up.
The chance to join Lewis Hamilton at Mercedes will be at the top of the priority list for most of the field, even those who last week thought their plans were firmly locked in.
But what should Mercedes do? Look in-house for a young gun? Move heaven and earth for the very best? Poach talent from elsewhere? Or maybe even tempt back someone who had called time on F1?